diff options
| author | Roger Quadros | 2016-05-23 17:37:49 +0300 |
|---|---|---|
| committer | Tom Rini | 2016-06-02 21:42:15 -0400 |
| commit | 3599774eec9d06812c6124bcd0b34cebd7ec5e1c (patch) | |
| tree | 475a278e6688afecece9a97d0d748f1c33d927b7 /arch | |
| parent | 55efadde7edee407a14c7cbf418c82b30a94faa8 (diff) | |
dra7xx: Enable USB_PHY3 32KHz clock
DRA7xx has a 32KHz PHY clock for USB_PHY3 that must be enabled
for USB1 instance in Super-Speed.
Signed-off-by: Roger Quadros <rogerq@ti.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/cpu/armv7/omap5/hw_data.c | 14 | ||||
| -rw-r--r-- | arch/arm/cpu/armv7/omap5/prcm-regs.c | 1 | ||||
| -rw-r--r-- | arch/arm/include/asm/omap_common.h | 1 |
3 files changed, 14 insertions, 2 deletions
diff --git a/arch/arm/cpu/armv7/omap5/hw_data.c b/arch/arm/cpu/armv7/omap5/hw_data.c index 8734815a67d..fe59c25935d 100644 --- a/arch/arm/cpu/armv7/omap5/hw_data.c +++ b/arch/arm/cpu/armv7/omap5/hw_data.c @@ -614,9 +614,14 @@ void enable_usb_clocks(int index) setbits_le32((*prcm)->cm_l3init_usb_otg_ss1_clkctrl, OPTFCLKEN_REFCLK960M); - /* Enable 32 KHz clock for dwc3 */ + /* Enable 32 KHz clock for USB_PHY1 */ setbits_le32((*prcm)->cm_coreaon_usb_phy1_core_clkctrl, USBPHY_CORE_CLKCTRL_OPTFCLKEN_CLK32K); + + /* Enable 32 KHz clock for USB_PHY3 */ + if (is_dra7xx()) + setbits_le32((*prcm)->cm_coreaon_usb_phy3_core_clkctrl, + USBPHY_CORE_CLKCTRL_OPTFCLKEN_CLK32K); } else if (index == 1) { cm_l3init_usb_otg_ss_clkctrl = (*prcm)->cm_l3init_usb_otg_ss2_clkctrl; @@ -664,9 +669,14 @@ void disable_usb_clocks(int index) clrbits_le32((*prcm)->cm_l3init_usb_otg_ss1_clkctrl, OPTFCLKEN_REFCLK960M); - /* Disable 32 KHz clock for dwc3 */ + /* Disable 32 KHz clock for USB_PHY1 */ clrbits_le32((*prcm)->cm_coreaon_usb_phy1_core_clkctrl, USBPHY_CORE_CLKCTRL_OPTFCLKEN_CLK32K); + + /* Disable 32 KHz clock for USB_PHY3 */ + if (is_dra7xx()) + clrbits_le32((*prcm)->cm_coreaon_usb_phy3_core_clkctrl, + USBPHY_CORE_CLKCTRL_OPTFCLKEN_CLK32K); } else if (index == 1) { cm_l3init_usb_otg_ss_clkctrl = (*prcm)->cm_l3init_usb_otg_ss2_clkctrl; diff --git a/arch/arm/cpu/armv7/omap5/prcm-regs.c b/arch/arm/cpu/armv7/omap5/prcm-regs.c index 655e92ba276..b5f1d700fd8 100644 --- a/arch/arm/cpu/armv7/omap5/prcm-regs.c +++ b/arch/arm/cpu/armv7/omap5/prcm-regs.c @@ -820,6 +820,7 @@ struct prcm_regs const dra7xx_prcm = { .cm_clkmode_dpll_gmac = 0x4a0052a8, .cm_coreaon_usb_phy1_core_clkctrl = 0x4a008640, .cm_coreaon_usb_phy2_core_clkctrl = 0x4a008688, + .cm_coreaon_usb_phy3_core_clkctrl = 0x4a008698, .cm_coreaon_l3init_60m_gfclk_clkctrl = 0x4a0086c0, /* cm1.mpu */ diff --git a/arch/arm/include/asm/omap_common.h b/arch/arm/include/asm/omap_common.h index ac34b0e72ff..07f384867eb 100644 --- a/arch/arm/include/asm/omap_common.h +++ b/arch/arm/include/asm/omap_common.h @@ -145,6 +145,7 @@ struct prcm_regs { u32 cm_ssc_modfreqdiv_dpll_unipro; u32 cm_coreaon_usb_phy1_core_clkctrl; u32 cm_coreaon_usb_phy2_core_clkctrl; + u32 cm_coreaon_usb_phy3_core_clkctrl; u32 cm_coreaon_l3init_60m_gfclk_clkctrl; /* cm2.core */ |